1.   The bedroom light went out after a moment.

2.   As he pulled into the driveway, he saw her bedroom light was off.

3.   And at the end of the day, a Windows-based home-control system may even shut off the bedroom light.

4.   But at night, only the bedroom light can keep the bad man from creeping into her dreams.

5.   Her bedroom light burned late into the night, however, and she could be seen sitting at a writing desk.

6.   More research will help scientists better determine whether altering work hours, taking measures to increase melatonin levels, or decreasing bedroom light could help offset the risk.

7.   The bedroom light is still on.

8.   You will mull what you would have done long after you shut off your bedroom light Thursday and try fitfully to sleep.